What temperature range does the 3100 Series thermostat support?

The 3100 Series hermetic thermostat has an operating temperature range of -29°C to 260°C (-20°F to 500°F) and an environmental exposure range of -62°C to 288°C (-80°F to 550°F). (Page 5)

From the official Honeywell Home Climate Control Thermostat Series 2450A manual, page 5

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